My Apple powerbook G3 Mac wont boot up

Dear tech guy or girl
I am trying to use my old PowerBook G3 Laptop (pulled it from storage).
It would not boot up even with the power cord. I thought it was defected so I purchased a new power cord and tried it with no results. Before I spend money on a new battery I would like to know if this would be the next step to resolve this issue out.
Respectfully
Joey T

1) The plug connection (where you plug into the laptop) attaches to the Audio card. This is a point of frequent physical connection failure, either due to abuse or even significant normal wear & tear. It continued being a problem until Apple came out with the MagSafe connector on the Intel MacBooks. If this is bad, you won't be able to charge your battery, so this will need to be determined first.

If you're lucky, you might try plugging it in and _gently_ applying gentle lateral pressure on the plug - - you might be able to _temporarily_ get a connection (the plug should light-up and your battery (if present) should charge. I've been able to get this to work if the break in the sound card isn't too serious, but eventually, this won't work anymore.

2) These computers are now getting to be 8-11 years old. In computer terms, this is advanced old-age, well beyond retirement. While I personally liked the modular design of these computers (I own 4 Wallstreets, all but one are for parts), I wouldn't consider putting a lot of money into these unless I was going to use them as an old-fashioned case for new internal electronics - - for example, dropping in a motherboard/RAM/CPU from a newer MacBook Pro. (The real killer would be replacing the display - _major_ technical challenge there. And there we're talking a _lot_ of money and lots and lots of spare time to do the engineering. Unless you're doing it for a hobby, its not worth it.) Trying to restore one of these to working condition is going to be a challenge in just finding parts or a battery that isn't completely played-out.

If you want to explore this further as a DIY (Do It yourself) project, I highly recommend iFixit.com as a good source for both how-to guides and replacement parts. The URL for the Mac how-to guides is

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The easiest way if your Powerbook doesn't come equipped with an
Airport card or isn't capable of supporting an Airport card is to purchase this http://www.sonnettech.com/product/aria_extreme.html it slides into the PCMIA slot on your Powerbook G3 (the credit card sized slot on the side of your Powerbook G3). There's support issues and model variations on older Powerbook G3's regarding Airport Card support and they're not as readily available as a standard PCMIA wireless card. This is my best suggestion for your situation.

Your mac doesn't recognize the system folder. Try to find the original boot disks that came with the machine, and see if you can mount the hard disk while booting from the CDs. If you can, I'd backup the data as soon as possible and reinstall the operating system, including a full hard drive reformat. If you can't see the hard drive from the boot cd, another option is to hold down the T key during startup to boot the mac into "target disk mode" - this will allow you to hook up the g3 to another computer as an external hard disk in order to back up the data.

Several screws on bottom and the whole top case snaps off. It will take a little time on this model to gently pry. Also, I think the keyboard comes off first before removing the top cover by two finger pegs. It's been a long time since I worked on this model you you'll just have to get in and look around. Very common on this design that the power plug just needs re-soldered to the motherboard.